Phymatodes (Poecilium) alni (Linnaeus, 1767)
ssp. alni (Linnaeus, 1767)


Phymatodes alni alni

[Photo © David Navrátil & 8K postprocessing M.Hoskovec]

Phymatodes alni alni is a nominotypical subspecies of the common Euro-Turanian species widespread from Andalusia to western Kazakhstan, with a subspecies in the Caucasus (P. alni pici Aurivillius, 1912) and another in Iran (P. alni lateniger (Pic, 1945)). Its larvae develop in dead twigs of deciduous trees, especially oaks. Pupation occurs under the bark in early spring, adults are active from April to June and can be collected by beating the dead branches of the host trees.

Body length:3 - 5 mm
Life cycle:1 - 2 years
Adults in:April - June
Host plant:polyphagous in deciduous trees (prefers Quercus, also in Castanea, Carpinus, Ulmus, Rosa, Acer, Fraxinus, etc.)
Distribution:Europe, Turkey, Caucaus, Kazakhstan

The mounted beetle (common red form) was captured in Pouzdřany environs (South Moravia, Czechia) on May 14, 2004. The mounted rare black form of P. alni alni was reared from larva feeding in oak twig found in Agioi Theodoroi environs (730 m a.s.l., West Macedonia, Greece) in May 2016. The depicted living beetle (red form, DR) was found in Radotínské skály Natural Monument (Prague-Radotín, Central Bohemia, Czechia) on April 22, 2020.

Collected by David Navrátil, Daniel Rydzi and Tamás Németh

Phymatodes alni alni
[Photo © Daniel Rydzi]
Phymatodes alni alni
[Photo © Tamás Németh]

SubfamiliaCerambycinae Latreille, 1802
TribusCallidiini Mulsant, 1839
GenusPhymatodes Mulsant, 1839
SubgenusPoecilium Fairmaire, 1864
SpeciesPhymatodes (Poecilium) alni (Linnaeus, 1767)
SpeciesPhymatodes (Poecilium) alni alni (Linnaeus, 1767)